Home / 8,345.53-12,519.65-3,960.60

Finding the Fourth Proportional to 8,345.53, 12,519.65 and 3,960.60

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Solution

The fourth proportional to 8,345.53, 12,519.65 and 3,960.60 is: 5,941.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.53 : 12,519.65 = 3,960.60 : x
  2. Step 2: Convert to fraction form
    8,345.53/12,519.65 = 3,960.60/x
  3. Step 3: Cross multiply
    8,345.53x = 12,519.65 × 3,960.60
  4. Step 4: Simplify right side
    8,345.53x = 49,585,325.79
  5. Step 5: Solve for x
    x = 49,585,325.79/8,345.53
  6. Step 6: Final answer
    x = 5,941.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.